revert: revert changes do not related with this PR

Signed-off-by: yoshiri <yoshiyoshidetteiu@gmail.com>

Author: YoshiRi

perception/probabilistic_occupancy_grid_map/src/pointcloud_based_occupancy_grid_map/pointcloud_based_occupancy_grid_map_node.cpp

@@ -136,11 +136,6 @@ void PointcloudBasedOccupancyGridMapNode::onPointcloudWithObstacleAndRaw(
   if (stop_watch_ptr_) {
     stop_watch_ptr_->toc("processing_time", true);
   }
-  // if scan_origin_frame_ is "", replace it with input_raw_msg->header.frame_id
-  if (scan_origin_frame_.empty()) {
-    scan_origin_frame_ = input_raw_msg->header.frame_id;
-  }
-
   // Apply height filter
   PointCloud2 cropped_obstacle_pc{};
   PointCloud2 cropped_raw_pc{};